package Thread;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Scanner;

/**
 * Thread提供了一个静态方法
 * static void sleep（long ms）
 */
public class SleepDemo {
    public static void main(String[] args) throws IOException {
        System.out.println("开始");
        BufferedReader br=new BufferedReader(
                new InputStreamReader(
                        System.in
                )
                );
        String line=br.readLine();
        int num=Integer.parseInt(line);
        for (;num>0;num--) {
            System.out.println(num);

            try {
                Thread.sleep(1000);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }
        System.out.println("时间");
        System.out.println("结束");
    }
}
